<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<script>
	function test(){
		var name = "javascript debug toolkit";
		alert(add("hello," , name));
	}
	function add(a,b){
		return a + b;
	}
	test();
</script>
</body>
</html>